更多“Many are sleeping in the open because they have no () . ”相关问题
  • 第1题:

    Youhaveexecutedthiscommandtochangethesizeofthedatabasebuffercache:SQL>ALTERSYSTEMSETDB_CACHE_SIZE=2516582;Systemaltered.Toverifythechangeinsize,youexecutedthiscommand:SQL>SHOWPARAMETERDB_CACHE_SIZENAMETYPEVALUE------------------------------------------------db_cache_sizebiginteger4194304Whyisthevaluesetto4194304andnotto2516582()

    A.Because4194304isthegranulesize

    B.Because4194304isthestandardblocksize

    C.Because4194304isthelargestnonstandardblocksizedefinedinthedatabase

    D.Because4194304isthetotalsizeofdataalreadyavailableinthedatabasebuffercache


    参考答案:A

  • 第2题:

    Examine the following options, Multicasting supports applications that communicate.()

    A. many - to - one

    B. one - to - one

    C. one - to - many

    D. many - to - many


    参考答案:C

  • 第3题:

    9.I was so anxious that I didn’t go to__________.

    A.asleep

    B.sleep

    C.sleepy

    D.sleeping


    正确答案:B
    9.B【解析】asleep睡着的,sleepy困乏的I sleeping为 sleep的-ing形式,三者不能与go to搭配.go to . sleep"入睡”。

  • 第4题:

    Youhaveexecutedthiscommandtochangethesizeofthedatabasebuffercache:SQL>ALTERSYSTEMSETDB_CACHE_SIZE=2516582;Systemaltered.Toverifythechangeinsize,youexecutedthiscommand:SQL>SHOWPARAMETERDB_CACHE_SIZENAMETYPEVALUE------------------------------------------------db_cache_sizebiginteger4194304(4M)Whyisthevaluesetto4194304andnotto2516582()

    A.because4194304isthegranulesize

    B.because4194304isthestandardblocksize

    C.because4194304isthelargestnonstandardblocksizedefinedinthedatabase

    D.because4194304isthetotalsizeofdataalreadyavailableinthedatabasebuffercache


    参考答案:A

  • 第5题:

    107键盘中让计算机进入睡眠的键是()

    A.Power

    B.Sleep

    C.Wakeup

    D.Sleeping


    参考答案:B

  • 第6题:

    查看MySQL中支持存储引擎的语句是 。

    A.SHOW ENGINS; 和 SHOW VARIABLES LIKE 'have%';

    B.SHOW VARIABLES; 和 SHOW VARIABLES LIKE 'have%';

    C.SHOW ENGINS; 和 SHOW ENGINS LIKE 'have%';

    D.SHOW ENGINS; 和 SHOW VARIABLES from 'have%';


    SHOW ENGINS; 和 SHOW VARIABLES LIKE 'have%';